Don not try to navigate the data structure if the root node is None.  This results in an empty XML document - the DTD is printed but no other information.
Don not try to navigate the data structure if the root node is None.  This results in an empty XML
document - the DTD is printed but no other information.

Submitted by: Matt Ryan <mryan novell.com> 


dmourati/monitor-core,torkelsson/monitor-core,sdgdsffdsfff/monitor-core,mjzhou/monitor-core,torkelsson/monitor-core,lawrencewu/monitor-core,ganglia/monitor-core,sdgdsffdsfff/monitor-core,mjzhou/monitor-core,dmourati/monitor-core,phreakocious/monitor-core,mjzhou/monitor-core,fastly/monitor-core,fastly/monitor-core,dmourati/monitor-core,phreakocious/monitor-core,fastly/monitor-core,phreakocious/monitor-core,ganglia/monitor-core,lawrencewu/monitor-core,lawrencewu/monitor-core,lawrencewu/monitor-core,NoodlesNZ/monitor-core,ganglia/monitor-core,hinesmr/monitor-core,torkelsson/monitor-core,ganglia/monitor-core,NoodlesNZ/monitor-core,lawrencewu/monitor-core,mjzhou/monitor-core,phreakocious/monitor-core,torkelsson/monitor-core,dmourati/monitor-core,mjzhou/monitor-core,ganglia/monitor-core,ganglia/monitor-core,hinesmr/monitor-core,lawrencewu/monitor-core,NoodlesNZ/monitor-core,NoodlesNZ/monitor-core,ganglia/monitor-core,hinesmr/monitor-core,ganglia/monitor-core,sdgdsffdsfff/monitor-core,torkelsson/monitor-core,torkelsson/monitor-core,dmourati/monitor-core,fastly/monitor-core,NoodlesNZ/monitor-core,dmourati/monitor-core,fastly/monitor-core,sdgdsffdsfff/monitor-core,phreakocious/monitor-core,fastly/monitor-core,phreakocious/monitor-core,mjzhou/monitor-core,sdgdsffdsfff/monitor-core,phreakocious/monitor-core,hinesmr/monitor-core,sdgdsffdsfff/monitor-core,NoodlesNZ/monitor-core,torkelsson/monitor-core,fastly/monitor-core,sdgdsffdsfff/monitor-core,NoodlesNZ/monitor-core,lawrencewu/monitor-core,mjzhou/monitor-core,hinesmr/monitor-core